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Add ability to add transaction items using barcode scanner

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This commit is contained in:
James Chapman
2023-11-05 23:10:54 +00:00
parent eae1833e2b
commit 929eddd9e8
9 changed files with 145 additions and 38 deletions
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57
Groceries/Transactions/TransactionsController.cs
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@ -99,20 +99,35 @@ public class TransactionsController : Controller
}
[HttpGet("new/items/new")]
public IActionResult NewTransactionItem()
public async Task<IActionResult> NewTransactionItem(long? barcodeData, string? barcodeFormat)
{
if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
{
return RedirectToAction(nameof(NewTransaction));
}
TransactionItem? transactionItem = null;
if (barcodeData != null && barcodeFormat != null)
{
var item = await dbContext.Items
.Where(item => item.Barcodes.Any(barcode => barcode.BarcodeData == barcodeData))
.FirstOrDefaultAsync();
item ??= new Item(id: default);
item.Barcodes.Add(new ItemBarcode(item.Id, barcodeData.Value, barcodeFormat));
// TODO: Fix `MinValue` hack - view models?
transactionItem = new TransactionItem(item.Id, decimal.MinValue, int.MinValue) { Item = item };
}
var model = (transaction, transactionItem);
return Request.IsTurboFrameRequest("modal")
? View($"{nameof(NewTransactionItem)}_Modal", transaction)
: View(transaction);
? View($"{nameof(NewTransactionItem)}_Modal", model)
: View(model);
}
[HttpPost("new/items/new")]
public async Task<IActionResult> NewTransactionItem(string brand, string name, decimal price, int quantity)
public async Task<IActionResult> NewTransactionItem(string brand, string name, decimal price, int quantity, long? barcodeData, string? barcodeFormat)
{
if (TempData.Peek("NewTransaction") is not string json || JsonSerializer.Deserialize<Transaction>(json) is not Transaction transaction)
{
@ -124,17 +139,18 @@ public class TransactionsController : Controller
.Select(item => item.Id)
.SingleOrDefaultAsync();
if (itemId == default)
var item = new Item(itemId, brand, name);
if (barcodeData != null && barcodeFormat != null)
{
var item = new Item(brand, name);
dbContext.Items.Add(item);
await dbContext.SaveChangesAsync();
itemId = item.Id;
item.Barcodes.Add(new ItemBarcode(itemId, barcodeData.Value, barcodeFormat));
}
dbContext.Items.Attach(item);
await dbContext.SaveChangesAsync();
// TODO: Handle item already in transaction - merge, replace, error?
var transactionItem = new TransactionItem(itemId, price, quantity);
var transactionItem = new TransactionItem(item.Id, price, quantity) { Item = item };
transaction.Items.Add(transactionItem);
TempData["NewTransaction"] = JsonSerializer.Serialize(transaction);
@ -183,18 +199,18 @@ public class TransactionsController : Controller
.Select(item => item.Id)
.SingleOrDefaultAsync();
if (itemId == default)
{
var item = new Item(brand, name);
dbContext.Items.Add(item);
await dbContext.SaveChangesAsync();
itemId = item.Id;
}
var item = new Item(itemId, brand, name);
transactionItem.ItemId = itemId;
dbContext.Items.Attach(item);
await dbContext.SaveChangesAsync();
transactionItem.Item = item;
transactionItem.ItemId = item.Id;
transactionItem.Price = price;
transactionItem.Quantity = quantity;
// TODO: Handle barcode when editing item - replace, disable?
TempData["NewTransaction"] = JsonSerializer.Serialize(transaction);
return Request.IsTurboFrameRequest("modal")
@ -243,7 +259,10 @@ public class TransactionsController : Controller
}
// Work around EF trying to insert items by explicitly tracking them as unchanged
dbContext.Items.AttachRange(transaction.Promotions.SelectMany(promotion => promotion.Items));
dbContext.Items.AttachRange(
transaction.Items
.Select(item => item.Item!)
.Concat(transaction.Promotions.SelectMany(promotion => promotion.Items)));
dbContext.Transactions.Add(transaction);
await dbContext.SaveChangesAsync();